78228460004712 has 32 divisors (see below), whose sum is σ = 195807632709600. Its totient is φ = 26044622308544.

The previous prime is 78228460004693. The next prime is 78228460004803. The reversal of 78228460004712 is 21740006482287.

It is a super-2 number, since 2×78228460004712² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970668887 + ... + 1970708582.

It is an arithmetic number, because the mean of its divisors is an integer number (6118988522175).

Almost surely, 2^{78228460004712} is an apocalyptic number.

It is an amenable number.

78228460004712 is an abundant number, since it is smaller than the sum of its proper divisors (117579172704888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78228460004712 is a wasteful number, since it uses less digits than its factorization.

78228460004712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941378305 (or 3941378301 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 51.

Adding to 78228460004712 its reverse (21740006482287), we get a palindrome (99968466486999).

The spelling of 78228460004712 in words is "seventy-eight trillion, two hundred twenty-eight billion, four hundred sixty million, four thousand, seven hundred twelve".